APA (7th ed.) Citation

Ammen, C. W. (1997). Recovery and refining of precious metals (2a. ed.). C.W. Ammen Maic.

Chicago Style (17th ed.) Citation

Ammen, C. W. Recovery and Refining of Precious Metals. 2a. ed. Manitou Springs: C.W. Ammen Maic, 1997.

MLA (9th ed.) Citation

Ammen, C. W. Recovery and Refining of Precious Metals. 2a. ed. C.W. Ammen Maic, 1997.